博碩士論文 91523038 詳細資訊




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姓名 葉人豪(Jen-Hao Yeh)  查詢紙本館藏   畢業系所 通訊工程學系
論文名稱 在塊狀衰退通道上的籬柵么正空時調變
(Trellis-Coded Unitary Space-Time Modulation over Block Fading Channels)
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摘要(中) 在這篇論文裡,我們研究在塊狀衰退通道上的籬柵么正空時調變的設計規則。我們使用多標誌的么正空時調變訊號星座集,並針對Ungerboeck的「根據集合分割的對映」提出更適合用於籬柵么正空時調變上的設計規則。模擬結果顯示當最短錯誤事件大於2時,相較於[12]提出的設計準則,我們所使用的設計方法能夠有效的改善籬柵么正空時調變的位元錯誤率。
摘要(英) In this thesis, we study the design rules of trellis-coded unitary space-time modulation over block fading channels. We use the signal constellations constructed by multiple index structure, and then we propose better design rules by making use of Ungerboeck’s idea of “mapping by set partitioning” for trellis-coded unitary space-time modulation. Simulation results show that our design rules improve the bit error probability compared to the design criteria proposed in [12] when the shortest length of error event is more than two.
關鍵字(中) ★ 塊狀衰退通道
★ 無線通訊
★ 么正空時碼調變
★ 籬柵碼調變
關鍵字(英) ★ block fading channel
★ wireless communications
★ unitary space-time modulation
★ Trellis-coded modulation
論文目次 List of Figures III
List of Tables V
1 Introduction 1
2 Reviews of Unitary Space-Time Modulation 3
2.1 Introduction………………………………………………... 3
2.2 Rayleigh Flat-Fading Channel Model…………………….. 4
2.3 Constellations of Unitary Space-time Signals…………….. 6
2.4 Construction of Unitary Space-Time Constellations……… 12
3 Trellis Coded Unitary Space-Time Modulation 17
3.1 Introduction………………………………………………... 17
3.2 System Model of Trellis Coded Unitary Space-Time Modulation…………………………………………………
18
3.3 Performance Analyses of TC-USTM……………………… 19
3.4 TC-USTM Encoder Design……………………………….. 22
4 Trellis-Coded Unitary Space-Time Modulation Over Block Fading Channels
32
4.1 Introduction………………………………………………... 32
4.2 Set Partitioning……………………………………………. 33
4.3 Signal Constellations Suitable for TC-USTM…………….. 35
5 Simulation Results 43
5.1 Introduction………………………………………………... 43
5.2 Simulation Results………………………………………… 43
6 Conclusion 52
參考文獻 [1] E. Telatar, "Capacity of multi-antenna Gaussian ahannels, " AT&T-Bell Labs Internal Texh. Memo., June. 1995.
[2] G. J. Foschini, Jr. and M. J. Gans, "On limits of wireless communication in a fading environment when using multiple antennas," Wireless Personal Communication, Mar. 1998.
[3] V. Tarokh, N. Seshadri, and A. R. Calderbank, "Space-time codeds for high data rate wireless communication: Performance criterion and code construction," IEEE Trans. Inform. Theory, vol. 44, pp. 744-765, Mar. 1998.
[4] V. Tarokh, H. Jafarkhani, and A. R. Calderbank, "Space-time block codes from orthogonal designs," IEEE Trans. Inform. Theory, vol. 45, pp. 1456-1467, July. 1999.
[5] B. M. Hochwald and T. L. Marzetta, "Unitary space-time modulation for multiple-antenna communication in Rayleigh flat-fading," IEEE Trans. Inform. Theory, vol. 46, pp. 543-564, Mar. 2000.
[6] B. M. Hochwald, T. Marzetta, T. Richardson, W. Sweldens, and R. Urbanke, "Systematic design of unitary space-time constellations," IEEE Trans. Inform. Theory, vol. 46, pp. 1962-1973, Sept. 2000.
[7] L. H. Ozarow, S. Shamai (Shitz), and A. D. Wyner, "Information theoretic considerations for cellular mobile radio," IEEE Trans. Veh. Technol., vol. 43, pp. 359-378, May. 1994.
[8] T. L. Marzetta and B. M. Hochwald, “Capacity of a mobile multiple-antenna communication link in Rayleigh flat fading,” IEEE Trans. Inform. Theory, vol. 45, pp. 139-157, Jan. 1999.
[9] G. H. Golub and C. F. V. Loan, Matrix Computations, 2nd ed. Baltimore, MD: John Hopkins Univ. Press, 1983.
[10] B. M. Hochwald, and W. Sweldens, "Differential unitary space-time Modulation," IEEE Trans. Comm., vol. 48, pp. 2041-2052, Dec. 2000.
[11]
R. Balan and I. Daubechies, private communication, 1998.
[12] Z. Sun and T.T. Tjhung, "On performance analysis and design criteria for trellis coded unitary space-time modulation," to appear in IEEE WCNC'2003, vol. 1, pp. 262-267, Mar. 2003.
[13] G. Ungerboeck, "Channel coding with multilevel/phase signal," IEEE Trans. Inform. Theory, vol. IT-28, pp. 55-66, Jan. 1982.
[14] I. Bahceci and T. M. Duman, "Trellis coded unitary space-time modulation," in proceedings of IEEE GlobeCom., pp. 1108-1112. nov. 2001.
[15] D. Divsalar and M. K. Simon, “The design of trellis coded MPSK for fading channels : Performance criteria,” IEEE Trans. Comm., vol. 36, pp. 1004-1012, Sept. 1988.
[16] J. K. Cavers and P. Ho, “Analysis of the error performance of trellis coded modulations in Rayleigh fading channels,” IEEE Trans. Comm., vol. 40, pp. 74-83, Jan. 1992.
指導教授 魏瑞益(Ruey-Yi Wei) 審核日期 2004-6-29
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